Boston Marathon logo
BOSTON MARATHON 2023

Jaclyn Aviles

Bib: 21622•F

CA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 47%
Division (F45-49)
#0 / 1817
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:49/mi
27:24
↑ 97↓ 3451.5%
10K· 6.21 mi
8:07/mi
52:36
↑ 79↓ 1380.4%
15K· 9.32 mi
8:08/mi
1:17:52
↑ 67↓ 78
20K· 12.43 mi
8:11/mi
1:43:19
↑ 106↓ 860.1%
Half· 13.11 mi
8:14/mi
1:48:56
↑ 19↓ 370.5%
25K· 15.53 mi
8:10/mi
2:08:44
↑ 66↓ 880.2%
30K· 18.64 mi
8:37/mi
2:35:30
↑ 181↓ 1480.2%
20M
8:56/mi
2:47:38
↑ 64↓ 500.2%
21M
9:44/mi
2:57:22
↑ 106↓ 241.6%
35K· 21.75 mi
9:17/mi
3:04:19
↑ 17↓ 861.7%
23M
9:48/mi
3:16:35
↑ 23↓ 630.6%
24M
10:09/mi
3:26:44
↓ 821.3%
40K· 24.85 mi
10:30/mi
3:35:43
↓ 200.3%
25.2M
12:14/mi
3:39:56
↑ 13↓ 160.2%
Finish· 26.22 mi
10:12/mi
3:50:20
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:56
Pace8:19 /mi
2nd Half
Distance13.11 mi
Time2:01:24
Pace9:16 /mi
📊Positive Split: 11.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:0727:248:4927:24
8:49
-
10K
6.21 mi11:48:1952:368:2825:12
8:07
-0:42
15K
9.32 mi12:13:351:17:528:2125:16
8:08
+0:01
20K
12.43 mi12:39:021:43:198:1925:27
8:11
+0:03
Half
13.11 mi12:44:391:48:568:195:37
8:14
+0:03
25K
15.53 mi13:04:272:08:448:1719:48
8:10
-0:04
30K
18.64 mi13:31:132:35:308:2126:46
8:37
+0:27
20M
20.00 mi13:43:212:47:388:2312:08
8:56
+0:19
21M
21.00 mi13:53:052:57:228:279:44
9:44
+0:48
35K
21.75 mi14:00:023:04:198:296:57
9:17
-0:27
23M
23.00 mi14:12:183:16:358:3312:16
9:48
+0:31
24M
24.00 mi14:22:273:26:448:3710:09
10:09
+0:21
40K
24.85 mi14:31:263:35:438:418:59
10:30
+0:21
25.2M
25.20 mi14:35:393:39:568:444:13
12:14
+1:44
Finish
26.22 mi14:46:033:50:208:4710:24
10:12
-2:02

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

8:07 /mi

Average Pace

8:47 /mi

Slowest Pace

12:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:20

44% of race

Time at Steady Pace

1:13:15

32% of race

Time at Slower Pace

55:45

24% of race

Average Pace: 8:47 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:23:0727:248:4927:24
8:49
#19569
10K
6.21 mi11:48:1952:368:2825:12
8:07
#17686
15K
9.32 mi12:13:351:17:528:2125:16
8:08
#16885
20K
12.43 mi12:39:021:43:198:1925:27
8:11
#16395
Half
13.11 mi12:44:391:48:568:195:37
8:14
#16368
25K
15.53 mi13:04:272:08:448:1719:48
8:10
#15955
30K
18.64 mi13:31:132:35:308:2126:46
8:37
#15763
20M
20.00 mi13:43:212:47:388:2312:08
8:56
#15759
21M
21.00 mi13:53:052:57:228:279:44
9:44
#15841
35K
21.75 mi14:00:023:04:198:296:57
9:17
#15979
23M
23.00 mi14:12:183:16:358:3312:16
9:48
#16247
24M
24.00 mi14:22:273:26:448:3710:09
10:09
#16593
40K
24.85 mi14:31:263:35:438:418:59
10:30
#16875
25.2M
25.20 mi14:35:393:39:568:444:13
12:14
#17070
Finish
26.22 mi14:46:033:50:208:4710:24
10:12
#17417
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi195697555755515400(Top 58%)4914(Top 43%)4914(Top 270%)
10K6.21 mi3.10 mi17686+18836337+12186337+121815606(Top 59%)5023(Top 44%)5023(Top 276%)
15K9.32 mi3.11 mi16885+8015847+4905847+49015400(Top 58%)4914(Top 43%)4914(Top 270%)
20K12.43 mi3.11 mi16395+4905550+2975550+29714927(Top 56%)4670(Top 41%)4670(Top 257%)
Half13.11 mi0.68 mi16368+275536+145536+1416113(Top 61%)5381(Top 47%)5381(Top 296%)
25K15.53 mi2.42 mi15955+4135308+2285308+22814027(Top 53%)4247(Top 37%)4247(Top 234%)
30K18.64 mi3.11 mi15763+1925232+765232+7615027(Top 56%)4949(Top 43%)4949(Top 272%)
20M20.00 mi1.36 mi15759+45245-135245-1316187(Top 61%)5684(Top 50%)5684(Top 313%)
21M21.00 mi1.00 mi15841-825325-805325-8016996(Top 64%)6189(Top 54%)6189(Top 341%)
35K21.75 mi0.75 mi15979-1385422-975422-9719112(Top 72%)7442(Top 65%)7442(Top 410%)
23M23.00 mi1.25 mi16247-2685581-1595581-15919429(Top 73%)7643(Top 67%)7643(Top 421%)
24M24.00 mi1.00 mi16593-3465801-2205801-22021194(Top 80%)8661(Top 76%)8661(Top 477%)
40K24.85 mi0.85 mi16875-2825988-1875988-18721235(Top 80%)8738(Top 76%)8738(Top 481%)
25.2M25.20 mi0.35 mi17070-1956102-1146102-11422868(Top 86%)9581(Top 84%)9581(Top 527%)
Finish26.22 mi1.02 mi17417-3476312-2106312-21022315(Top 84%)9280(Top 81%)9280(Top 511%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

15400

Females

4914

F45-49

4914

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

15606

Females

5023

F45-49

5023

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

15400

Females

4914

F45-49

4914

15K→20K

9.3 - 12.4 mi

Top 56%
×5story building
+106ft-86ft

Overall

14927

Females

4670

F45-49

4670

20K→Half

12.4 - 13.1 mi

Top 61%
×2story building
+19ft-37ft

Overall

16113

Females

5381

F45-49

5381

Half→25K

13.1 - 15.5 mi

Top 53%
×4story building
+66ft-88ft

Overall

14027

Females

4247

F45-49

4247

25K→30K

15.5 - 18.6 mi

Top 56%
×9story building
+181ft-148ft

Overall

15027

Females

4949

F45-49

4949

30K→20M

18.6 - 20.0 mi

Top 61%
×5story building
+64ft-50ft

Overall

16187

Females

5684

F45-49

5684

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

16996

Females

6189

F45-49

6189

21M→35K

21.0 - 21.8 mi

Top 72%
×7story building
+17ft-86ft

Overall

19112

Females

7442

F45-49

7442

35K→23M

21.8 - 23.0 mi

Top 73%
×5story building
+23ft-63ft

Overall

19429

Females

7643

F45-49

7643

23M→24M

23.0 - 24.0 mi

Top 80%
×6story building
+12ft-82ft

Overall

21194

Females

8661

F45-49

8661

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

21235

Females

8738

F45-49

8738

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

22868

Females

9581

F45-49

9581

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2story building
+22ft-21ft

Overall

22315

Females

9280

F45-49

9280

Passing Analysis

Category:
Athletes Passed
4206
Passed By
2054
Net Change
+2152
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19569
5K → 10K190320+1883#19569#17686
10K → 15K82019+801#17686#16885
15K → 20K50717+490#16885#16395
20K → Half4821+27#16395#16368
Half → 25K4207+413#16368#15955
25K → 30K27785+192#15955#15763
30K → 20M8783+4#15763#15759
20M → 21M64146-82#15759#15841
21M → 35K28166-138#15841#15979
35K → 23M17285-268#15979#16247
23M → 24M14360-346#16247#16593
24M → 40K11293-282#16593#16875
40K → 25.2M0195-195#16875#17070
25.2M → Finish10357-347#17070#17417
TOTALS42062054+2152
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing